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Old 09-28-2008, 12:30 AM
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The AFR 180's are, in my opinion, the finest heads you can bolt onto a 355 Chevy to make power in a street-friendly rpm range. This AFR page has the flow chart at the bottom.....
http://www.airflowresearch.com/180sbc_sh.php

Click "dyno tests" at the top of this page, then click "Chevy Dyno Tested Packages". You'll see 3 builds using 180 heads. 420hp, 430hp and 450hp. Choose one, purchase the components listed and bolt your killer together.
http://www.airflowresearch.com/

Last edited by techinspector1; 09-28-2008 at 12:40 AM.
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